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Finding the Fourth Proportional to 283,710.60, 425,537.10 and 96,719.40

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Solution

The fourth proportional to 283,710.60, 425,537.10 and 96,719.40 is: 145,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,710.60 : 425,537.10 = 96,719.40 : x
  2. Step 2: Convert to fraction form
    283,710.60/425,537.10 = 96,719.40/x
  3. Step 3: Cross multiply
    283,710.60x = 425,537.10 × 96,719.40
  4. Step 4: Simplify right side
    283,710.60x = 41,157,692,989.74
  5. Step 5: Solve for x
    x = 41,157,692,989.74/283,710.60
  6. Step 6: Final answer
    x = 145,069.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.